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Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024
Webmaster:
    Kirt Blattenberger,

    BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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November 8, 2009 Engineering & Science Crossword Puzzle


Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

Wireless & RF Engineering Crossword Puzzle - RF Cafe

ACROSS
1. ______, passive RF component manufacturer in Huntersville, NC (1 wd + 1 abbr.)
6. Inventor of the incandescent light bulb
11. Upper frequency (abbr.)
12. Electromagnetic (abbr.)
13. Chemical symbol for silicon
14. 1E6 nanoseconds
16. Integrated circuit (abbr.)
18. Time division duplex (abbr.)
21. Automatic network analyzer (abbr.)
23. Megacycles (abbr.)
24. Last stage in transmitter (abbr., pl.)
26. KJ _______, passive RF components manufacturer in Korea
27. Method of self-detection and self-fixing transmission of digital data (abbr.)
28. Chemical symbol for krypton
30. 1/000 of an amp
31. One tier of a PCB
33. Lower sideband (abbr.)
35. ICs
36. 3 GHz to 30 GHz
38. Automatic Send-Receive (abbr.)
40. He developed an alphabet composed of dots and dashes
41. Collection of datapoints plotted on a graph
43. Type of logic gate
46. U.K. equivalent of the IEEE
48. Unit for 1,000 watt-seconds (abbr.)
49. _-____, VCO manufacturer in San Diego, CA
51. Test equipment (abbr.)
52. Lowest power level capable of being demodulated (abbr.)
54. Powers pneumatic devices
55. Special diode type that can be switched (abbr.)
57. Wavelength Division Multiplexing
59. Teflon (abbr.)
60. Volts divided by resistance
62. Internet mail protocol (abbr.)
63. Term used in soldering to achieve the condition that occurs when the metals being soldered are hot enough to melt the solder so it flows over the surface
64. ____ Electronics - RF/microwave components manufacturer in Denville, NJ
DOWN
2. Band between RF and BB
3. Device under test (abbr.)
4. Reduction-oxidation (abbr.)
5. Type of modulation (abbr.)
6. Chemical symbol for einsteinium
7. Trigger diode that conducts current only after its breakdown voltage has been exceeded momentarily (pl.)
8. Miniature threaded RF connector
9. Unix, Linux or Windows (abbr.)
10. High power density battery chemistry (abbr.)
15. MS database
17. Chemical symbol for calcium
19. Type of current
20. Sends a file over a network (abbr.)
22. Unit of inductance (abbr.)
23. Akin to an EE, CE, AE, etc.
25. ________ Solutions, cellphone & wireless RF device manufacturer in Woburn, MA
27. ________ Microwave, passive RF component manufacturer in Fairview, TX
29. One component of a complex number (abbr.)
30. Unit of inductance (abbr.)
32. Receiver power level circuitry (abbr.)
33. 30 kHz to 300 kHz
34. Stock symbol for Boeing
35. Constellation : The southern cross
37. Chemical symbol for helium
39. Chemical symbol for scandium
40. Chemical symbol for molybdenum
42. BS__ - the degree held by many RF Cafe visitors
43. Stock symbol for National Semiconductor
44. Threaded fastener
45. Radio Amateur Satellite Corporation (abbr.)
47. Electronic warfare defense (abbr.)
49. IC socket type for easy insertion & removal (abbr.)
50. Wire diameter unit (abbr.)
53. Cellphone band below PCS
54. Test document for verifying proper function (abbr.)
56. Angular speed unit
58. Motorola's "Digital ___"
59. Chemical symbol for platinum
61. Chemical symbol for selenium


See solution below





















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